<template>
  <view>
<view class="goods-list">
  <view v-for="(goods, i) in goodsList" :key="i" @click="gotoDetail(goods)">
    <my-goods :goods="goods"></my-goods>
  </view>
</view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        // 请求参数对象
        queryObj:{
          query:'',
          cid:'',
          pagenum:1,// 默认第一页
          pagesize:10 //每页展示10条
        },
        goodsList:[], // 请求到的数据
        total:0,//一共多少条
        isloading:false, //节流阀
      };
    },
    onLoad(options) {
  
      this.queryObj.query=options.query || ''
      this.queryObj.cid=options.cid || ''
          // console.log(this.queryObj);
          this.getGoodsList()
    },
    methods:{
      // 请求数据方法
     async getGoodsList(cb){
       //打开节流阀
       this.isloading=true
       // 请求数据
      const {data:res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
      // 请求完毕后 关闭节流阀
      this.isloading = false
      cb && cb()
      if(res.meta.status !==200) return uni.$showMsg()
      this.goodsList=[...this.goodsList,...res.message.goods]
      this.total=res.message.total
      },
      // 点击跳转到详情页
      gotoDetail(goods){
        uni.navigateTo({
          url:'/subpkg/goods_detail/goods_detail?good_id='+ goods.goods_id
        })
      }
    },
    onReachBottom() {
      if(this.queryObj.pagenum * this.queryObj.pagesize >=this.total) return uni.$showMsg('数据加载完毕')
      if(this.isloading) return
      // 让页码值自增+1
       this.queryObj.pagenum++
       this.getGoodsList()
    },
    onPullDownRefresh() {
      // 重置关键数据
      this.queryObj.pagenum=1
      this.total=0
      this.isloading = false
      this.goodsList=[]
      // 重新发起数据请求 关闭下拉刷新功能
      this.getGoodsList(() => uni.stopPullDownRefresh())
    }
  }
</script>

<style lang="scss">
</style>
